(19)

(11)

EP 2 932 342 A1

(12)

(43) Date of publication: 21.10.2015 Bulletin 2015/43 (21) Application number: 13861619.8 (22) Date of filing: 13.11.2013

(51) International Patent Classification (IPC):  G05D 7/06(2006.01) G05B 99/00(2006.01) (86) International application number: PCT/CA2013/050867 (87) International publication number: WO 2014/089693 (19.06.2014 Gazette 2014/25)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 12.12.2012 US 201261736051 P 17.01.2013 US 201361753549 P (71) Applicant: S. A. Armstrong Limited Scarborough, Ontario M1L 2P3 (CA)	(72) Inventor: ACOSTA GONZALEZ, Marcelo Javier Scarborough, Ontario M1L 2P3 (CA) (74) Representative: D Young & Co LLP  120 Holborn London EC1N 2DY London EC1N 2DY (GB)